package com.atoffice.common.result;

import lombok.Data;

@Data
public class Result <T>{
    private Integer code; //状态码
    private String message; //返回信息
    private T data; //数据

    //私有化
    private Result() {


    }

    // 返回数据
    protected static <T> Result<T> build(T data) {
        Result<T> result = new Result<T>();
        if (data != null)
            result.setData(data);
        return result;
    }

    public static <T> Result<T> build(T body, Integer code, String message) {
        Result<T> result = build(body);
        result.setCode(code);
        result.setMessage(message);
        return result;
    }

    //封装返回的数据
    public static <T> Result<T> build(T body, ResultCodeEnum resultCodeEnum) {
        Result<T> result = new Result<>();
        //封装数据
        if (body != null){
            result.setData(body);
        }
        //状态码
        result.setCode(resultCodeEnum.getCode());
        //返回信息
        result.setMessage(resultCodeEnum.getMessage());
        return result;
    }

    //返回成功方法
    public static<T> Result<T> success(){
        return build(null , ResultCodeEnum.SUCCESS);
    }
    public static<T> Result<T> success(T data){
        return build(data , ResultCodeEnum.SUCCESS);
    }

    //返回失败方法
    public static<T> Result<T> fail(){
        return build(null , ResultCodeEnum.FAIL);
    }
    public static<T> Result<T> fail(T data){
        return build(data , ResultCodeEnum.FAIL);
    }

    public Result<T> message(String msg){
        this.setMessage(msg);
        return this;
    }

    public Result<T> code(Integer code){
        this.setCode(code);
        return this;
    }

}
